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Obstetrics & Gynecology:
doi: 10.1097/AOG.0000000000000012
Contents: Original Research

Postpartum Pelvic Floor Muscle Training and Urinary Incontinence: A Randomized Controlled Trial

Hilde, Gunvor PT; Stær-Jensen, Jette MD; Siafarikas, Franziska MD; Ellström Engh, Marie PhD, MD; Bø, Kari PhD, PT

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Abstract

OBJECTIVE: To evaluate whether postpartum pelvic floor muscle training decrease prevalence of any urinary incontinence (UI) in primiparous women with and without UI at inclusion (mixed population) and further to perform stratified analyses on women with and without major levator ani muscle defects.

METHODS: A two-armed assessor-blinded randomized controlled trial including primiparous women 6 weeks after vaginal delivery was conducted. Participants were stratified on major levator ani muscle defects, verified by transperineal ultrasonography, and thereafter randomly allocated to training or control. All participants were taught to contract the pelvic floor muscles. The control participants received no further intervention, whereas training participants attended a weekly supervised pelvic floor muscle training class and performed daily home exercise for 16 weeks. Primary outcome was self-reported UI analyzed by relative risk.

RESULTS: We included 175 women, 55 with major levator ani muscle defects and 120 without. Prevalence of UI at baseline was 39.1% in the training group (n=87) and 50% among those in the control group (n=88). Fifteen women (8.6%) were lost to follow-up. At 6 months after delivery (postintervention), 34.5% and 38.6% reported UI in the training and control groups, respectively. Relative risk analysis of UI gave a nonsignificant effect size of 0.89 (95% confidence interval [CI] 0.60–1.32). Results were similar for the stratum with and without major levator ani muscle defects, 0.89 (95% CI 0.51–1.56) and 0.90 (95% CI 0.53–1.52), respectively.

CONCLUSIONS: Postpartum pelvic floor training did not decrease UI prevalence 6 months after delivery in primiparous women. Stratified analysis on women with and without major levator ani muscle defects showed similar nonsignificant results.

CLINICAL TRIAL REGISTRATION: ClinicalTrials.gov, www.clinicaltrials.gov, NCT01069484.

LEVEL OF EVIDENCE: I

© 2013 by The American College of Obstetricians and Gynecologists.

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